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Vera_Pavlovna [14]
4 years ago
10

What is the value of x in the diagram?

Mathematics
1 answer:
Verizon [17]4 years ago
5 0
2 lines parallel, and 2 triangles have a common angle
So the smaller Δ  is similar to the bigger Δ (AA Similarity)
9:(4x-2)+9=12:(3x+2)+12
9:4x+7=12:3x+14
9(3x+14)=12(4x+7)
27x+126=48x+84
21x=42
x=2
So the answer is x=2


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If the temperature outside is 60 degrees at 6 pm and then drops by 15% at 10 pm, what is the temperature at 10 pm?
Zolol [24]

Answer:

51 degrees

Step-by-step explanation:=Given data

Temperature at 6pm = 60 degrees

percent drop= 15%

= 15/100*60

=0.15*60

=9 degrees

Hence the temperature at 10 pm is 60-9= 51 degrees

6 0
3 years ago
Help please if your good at maths ?
Norma-Jean [14]

Answer:

Year 7 = 75 students

Year 9 = 25 students

Step-by-step explanation:

Year 7 has 3/8 of the total since the circle is divided into 8 sections and has 3 of the 8 sections

3/8 * 200 students = 75

Year 9 has 1/8 of the total since the circle is divided into 8 sections and has 1 of the 8 sections

1/8 * 200 =25

3 0
3 years ago
In the game Kazoo, teams lose one point each time they skip a turn. They earn one point each time their team guesses correctly.
lbvjy [14]

Answer:

-8 + 6 = - 2

So the answer is - 2

5 0
3 years ago
What is the length of the side of the triangle labeled x?
diamong [38]

Answer:

its an equilateral triangle and so one of the side is 6

so to find the answer you should multiply one side into 3

                                                                      =3 x side

                                                                       =6 x 3

                                                                       = 18

Step-by-step explanation:

mark as brainliest

thank me

4 0
3 years ago
Read 2 more answers
Helpp me out pls!!!!!!!!!
dsp73

Answer:

a. Maurice walked farther.

b. 0.62 m

Step-by-step explanation:

Maurice

4.1 × 1.8 = 7.38 miles

Junnie

2.5 × 3.2 = 8 miles

This shows that Junnie walked more than Maurice.

8 - 7.38 = 0.62

Junnie walked 0.62 m more than Maurice

5 0
3 years ago
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